Split pulley



H. BAUTE SPLIT PULLEY.

(No Model.)

Attorney N, PETERS. Fhola-Liuwgmplwr, ma

UNITED STATES PATENT OFFICE.

HENRY BAUTE, OF BENTON HARBOR, MICHIGAN.

SPLIT PULLEY.

SPECIFICATION forming part of Letters Patent No. 360,645, dated April 5,1887.

Application filed January 24, 1887. Serial No. 225,329. (No model.)

To aZZ whom it may concern.-

Be it known that I, HENRY BAUTE, a citizen of the United States,residing at Benton Harbor, in the county of Berrien and State ofMichigan, haveinvented certain new and useful Improvements in SplitPulleys; and I do declare the following to be a full, clear, and exactdescrip tion of the invention such as will enable others skilled in theart to which it appertains to make and use the same, reference being badto the accompanying drawings, and to theletters and figures of referencemarked thereon,which form a part of this specification.

My invention has relation to certain new and useful improvements inadjustable split pulleys, and it has reference particularly to thatclass of split pulleys in which the clamps for grasping the shaft arebolted to the respective sections or halves of the pulley and connectedtogether by clamping-bolts, as will more fully hereinafter appear.

The invention has for its objects to provide an inexpensive andeffective device by means of which the pulley may be readily and trulysecured to shafting of various sizes; and with these ends in view itconsists of certain novel features of construction, which will be fullyhereinafter explained and claimed.

In the drawings annexed, which fullyillnstrate my improved pulley,Figure 1 represents a side elevation; Fig. 2, an edge view of onesection of the pulley detached, and Fig. 3 a side elevation of one pairof the clamping devices detached from the pulley.

Referring to these drawings by letters, A designates the two sections ofthe pulley, which may be of the ordinary or any approved construction,and are separable, so that they may be placed upon or removed from ashaft with facility, there being a recess or cavity in each section forthe passage of the shaft.'

Upon the side of the pulley, at its center, a pair of clamping-plates, O0, preferably of circular form when put together, are adj ustably boltedby means of the bolts a, passing through slots in the said plates, therebeing two slots to each plate. Projecting laterally from the face of theclamping-plates are flanges D, the inner faces of which are grooved orangularly concaved for the purposeof grasping the shaft firmly whendrawn together by the clamping-bolts.

Through apertures in the side extensions or cars, D, of the flanges 1)pass the clampingbolts E, which serve to draw the two parts of each pairof clamping-plates together upon the shaft, and by means of which thepulley may be adjusted to suit various sizes of shafting. Interposedbetween the ears D of the flanges, and provided with apertures for thepassage of the clamping-bolts, are packingplates F, which serve torelieve the parts of strain when the clamping-bolts are tightened.

The advantages of the packing-plates F will be apparent when used uponwooden pulleys, as in that case the strain upon the parts must be light,and these packing-plates form a firm bearing.

It is manifest that the number of packingplates will be increased when alarger shaftis used and decreased when a smaller shaft is employed.

Formed upon each side of the sections 0 of the clampingplates, andprojecting somewhat beyond the inner faces of flanges or cars D of thesame, are the lugs or extensions G, which overlap and rest in recesseson thefaces of the adjacent sections, (7. The object of these lugs is tokeep the pulley sections or halves in a perfect plane with each otherand prevent any movement on their part when the pulley is applied to ashaft.

It is evident that the lugs G may rest upon the faces of the plates C,instead of in recesses.

Having thus fully described my invention, what I claim, and desire tosecure by Letters Patent, is

The combination, with the sections of the pulley, of the plates 0 0, adjustabl y bolted'to the said sections and provided with perforated andgrooved flanges, the plates 0 being provided with the lugs or extensionsGr, which overlap the faces of the plates 0, and the bolts passingthrough the perforationsin the flanges of the plates and securing theplates adjustably together, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

HENRY BAUTE.

Witnesses:

E. M. PLIMPTON, WM. 0. LANE.

